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Finding the Fourth Proportional to 895.96, 1,236.72 and 601.12

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Solution

The fourth proportional to 895.96, 1,236.72 and 601.12 is: 829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.96 : 1,236.72 = 601.12 : x
  2. Step 2: Convert to fraction form
    895.96/1,236.72 = 601.12/x
  3. Step 3: Cross multiply
    895.96x = 1,236.72 × 601.12
  4. Step 4: Simplify right side
    895.96x = 743,417.13
  5. Step 5: Solve for x
    x = 743,417.13/895.96
  6. Step 6: Final answer
    x = 829.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.